Xamarin is different because it offers a single language C# and runtime, which works on three mobile platforms (Android, iOS, and Windows). Through Xamarin, we develop a mobile app whose look and feel is completely native.
Xamarin is no longer supported by Microsoft as of May 1, 2024. Learn how to migrate your Xamarin apps to .NET MAUI, the evolution of Xamarin.Forms, which lets you build native apps for Android, iOS, macOS, and Windows with a single codebase.